201554919

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2432

約数の個数: 32

約数和(自身を含む): 309355200

約数和(自身を除く): 107800281

約数列:

[1, 3, 9, 27, 53, 61, 159, 183, 477, 549, 1431, 1647, 2309, 3233, 6927, 9699, 20781, 29097, 62343, 87291, 122377, 140849, 367131, 422547, 1101393, 1267641, 3304179, 3802923, 7464997, 22394991, 67184973, 201554919]

約数ペア:

[(1, 201554919), (3, 67184973), (9, 22394991), (27, 7464997), (53, 3802923), (61, 3304179), (159, 1267641), (183, 1101393), (477, 422547), (549, 367131), (1431, 140849), (1647, 122377), (2309, 87291), (3233, 62343), (6927, 29097), (9699, 20781)]